For his latest candid camera gag, popularly YouTube prankster Jack Vale decided to freak some strangers out by using their public social media posts to pretend he knows more about them than any random person should.

Of course, the practice of hot reading is nothing new, but with social media oversharing becoming ever more prevalent alongside the voluntary dismantling of personal space through geotagging, Vale's ostensibly harmless "social media experiment" is an excellent reminder that you may want to consider keeping some things to yourself.